{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api.sap.com/schemas/sap-commerce-cloud/cart.json",
  "title": "SAP Commerce Cloud Cart",
  "description": "A shopping cart in SAP Commerce Cloud containing products selected for purchase, with delivery and payment configuration for checkout.",
  "type": "object",
  "properties": {
    "code": {
      "type": "string",
      "description": "Unique cart code for authenticated users"
    },
    "guid": {
      "type": "string",
      "description": "Cart GUID used for anonymous or guest carts"
    },
    "totalItems": {
      "type": "integer",
      "minimum": 0,
      "description": "Number of distinct line items in the cart"
    },
    "totalUnitCount": {
      "type": "integer",
      "minimum": 0,
      "description": "Total quantity of units across all entries"
    },
    "subTotal": {
      "$ref": "#/$defs/Price"
    },
    "deliveryCost": {
      "$ref": "#/$defs/Price"
    },
    "totalTax": {
      "$ref": "#/$defs/Price"
    },
    "totalPrice": {
      "$ref": "#/$defs/Price"
    },
    "totalPriceWithTax": {
      "$ref": "#/$defs/Price"
    },
    "totalDiscounts": {
      "$ref": "#/$defs/Price"
    },
    "entries": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/CartEntry"
      },
      "description": "Cart line items"
    },
    "deliveryAddress": {
      "$ref": "#/$defs/Address"
    },
    "deliveryMode": {
      "$ref": "#/$defs/DeliveryMode"
    },
    "paymentInfo": {
      "$ref": "#/$defs/PaymentDetails"
    },
    "appliedVouchers": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/Voucher"
      },
      "description": "Vouchers applied to the cart"
    },
    "appliedOrderPromotions": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/PromotionResult"
      },
      "description": "Order-level promotions applied"
    },
    "appliedProductPromotions": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/PromotionResult"
      },
      "description": "Product-level promotions applied"
    },
    "user": {
      "$ref": "#/$defs/Principal"
    },
    "orderDiscounts": {
      "$ref": "#/$defs/Price"
    },
    "productDiscounts": {
      "$ref": "#/$defs/Price"
    },
    "deliveryOrderGroups": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "entries": {
            "type": "array",
            "items": {
              "$ref": "#/$defs/CartEntry"
            }
          },
          "totalPriceWithTax": {
            "$ref": "#/$defs/Price"
          }
        }
      },
      "description": "Delivery order groups for split shipments"
    }
  },
  "$defs": {
    "Price": {
      "type": "object",
      "description": "Price or monetary amount",
      "properties": {
        "currencyIso": {
          "type": "string",
          "pattern": "^[A-Z]{3}$",
          "description": "ISO 4217 currency code"
        },
        "value": {
          "type": "number",
          "description": "Numeric value"
        },
        "formattedValue": {
          "type": "string",
          "description": "Locale-formatted value string"
        }
      }
    },
    "CartEntry": {
      "type": "object",
      "description": "Individual item in the shopping cart",
      "properties": {
        "entryNumber": {
          "type": "integer",
          "minimum": 0,
          "description": "Zero-based entry index"
        },
        "product": {
          "type": "object",
          "properties": {
            "code": {
              "type": "string",
              "description": "Product code"
            },
            "name": {
              "type": "string",
              "description": "Product name"
            },
            "url": {
              "type": "string",
              "description": "Product page URL"
            },
            "images": {
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "url": {
                    "type": "string"
                  },
                  "format": {
                    "type": "string"
                  }
                }
              }
            }
          }
        },
        "quantity": {
          "type": "integer",
          "minimum": 1,
          "description": "Quantity in cart"
        },
        "basePrice": {
          "$ref": "#/$defs/Price"
        },
        "totalPrice": {
          "$ref": "#/$defs/Price"
        },
        "updateable": {
          "type": "boolean",
          "description": "Whether the quantity can be updated"
        }
      }
    },
    "Address": {
      "type": "object",
      "description": "Delivery address",
      "properties": {
        "id": {
          "type": "string"
        },
        "firstName": {
          "type": "string"
        },
        "lastName": {
          "type": "string"
        },
        "line1": {
          "type": "string"
        },
        "line2": {
          "type": "string"
        },
        "town": {
          "type": "string"
        },
        "postalCode": {
          "type": "string"
        },
        "country": {
          "type": "object",
          "properties": {
            "isocode": {
              "type": "string"
            },
            "name": {
              "type": "string"
            }
          }
        },
        "region": {
          "type": "object",
          "properties": {
            "isocode": {
              "type": "string"
            },
            "name": {
              "type": "string"
            }
          }
        },
        "phone": {
          "type": "string"
        }
      }
    },
    "DeliveryMode": {
      "type": "object",
      "description": "Delivery or shipping method",
      "properties": {
        "code": {
          "type": "string",
          "description": "Delivery mode code"
        },
        "name": {
          "type": "string",
          "description": "Delivery mode display name"
        },
        "description": {
          "type": "string",
          "description": "Delivery mode description"
        },
        "deliveryCost": {
          "$ref": "#/$defs/Price"
        }
      }
    },
    "PaymentDetails": {
      "type": "object",
      "description": "Payment information for the cart",
      "properties": {
        "id": {
          "type": "string"
        },
        "accountHolderName": {
          "type": "string"
        },
        "cardNumber": {
          "type": "string",
          "description": "Masked card number"
        },
        "cardType": {
          "type": "object",
          "properties": {
            "code": {
              "type": "string"
            },
            "name": {
              "type": "string"
            }
          }
        },
        "expiryMonth": {
          "type": "string"
        },
        "expiryYear": {
          "type": "string"
        },
        "billingAddress": {
          "$ref": "#/$defs/Address"
        }
      }
    },
    "Voucher": {
      "type": "object",
      "description": "Applied voucher or coupon",
      "properties": {
        "code": {
          "type": "string"
        },
        "name": {
          "type": "string"
        },
        "value": {
          "type": "number"
        },
        "freeShipping": {
          "type": "boolean"
        }
      }
    },
    "PromotionResult": {
      "type": "object",
      "description": "Applied promotion details",
      "properties": {
        "description": {
          "type": "string"
        },
        "promotion": {
          "type": "object",
          "properties": {
            "code": {
              "type": "string"
            },
            "title": {
              "type": "string"
            }
          }
        }
      }
    },
    "Principal": {
      "type": "object",
      "description": "Cart owner",
      "properties": {
        "uid": {
          "type": "string",
          "description": "User identifier"
        },
        "name": {
          "type": "string",
          "description": "Display name"
        }
      }
    }
  }
}